Smoke and gas consuming furnace



(No Model.) 3. Sheets-Sheet 1. J BURNS.

SMOKE AND GAS GONSUMING FURNACE.

No. 403,874. Patented May 21 1889.

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J. BURNS.

SMOKE AND GAS GONSUMING FURNACE, No; 403,874. Patented May 21 1889..

3 Sheets-Sheet 3. J. BURNS.

(-NO Model.)

SMOKE AND GAS GONSUMING FURNACE.

Patented May 21 1889. w I

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V UNITED STATES PATENT OFFICE.

JOHN BURNS, OF ROCHESTER, NElV YORK, ASSIGNOR OF ONE-HALF TO ROWLAND NV. FREDERICKS, OF LOCK HAVEN, PENNSYLVANIA.

SMOKE AND GAS CONSUMING FURNACE.

SPECIFICATION forming part of Letters Patent No. 403,874, dated May 21, 1889.

Sezial No. 280,455. (No model.)

' To all whom it may concern.-

Be it known that I, JOHN BURNS, a citizen ofthe United States, residing at Rochester, in

the county of Monroe and State of New York, have invented certain new and useful lm 'provements in Smoke and Gas Consuming the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

Heretofore great objection has arisen to the use of furnaces using bituminous coal in and i near cities and towns, owing to the fact that the smoke arising from their use discolored buildings and rendered the neighborhood unpleasant to reside in.

The object of my invention is to overcome this objection by constructing a furnace for consuming the gases and smoke arising from the consumption of bituminous coal. My furnace will be constructed in such a manner that the smoke and gasesarising from said combustion within the furnace will be consumed, and thereby prevented from escaping; and to this end my invention will gain the advantage of keeping the fires in a good combustible order continually on account-of being fed with the gas arising from the coal used, the gas from the coke being allowed to pass out from the coking-chamber through flues and returned to the fire in the'fire-box through connecting-fines, and is there consumed, together with coke drawn from the coking-chamber, through openings provided for that purpose.

Figure 1 shows front elevation of furnace with furnace-doors, coking-oven doors, boilers, and circulating water-pipe connection, and ash-pit door. Fig. 2 shows section on line of z z of Fig. 4. Fig. 3 shows isometric section with'coking-oven broken away, showing fiues H and bottom of coking-oven A, fiues G, bridge'wallf, section of circulating waterpipe B, communicating space N between firebox and coking-oven A, grate-bars d, and ashpit c, with portion broken away. Fig. 4 shows section on line a: 00 of Fig. 1. Fig. 5 shows section on line y y of Fig. 2.

To carry out my invention, a coking-chamher, A, having a close bottom, is constructed or formed between the arch E and the wall of the furnace, as shown in Figs. 1, 2, 3, 4, and 5. This arch is supported by means of a circulating water-pipe, B, connected with boiler C to insure the circulation of water through said pipe B for the purpose of keeping said pipe B cold, the higher point of said arch resting against the side wall of said furnace. By this means the lower end of said arch is protected from theaction of the heat, &c., and thereby its durability very greatly increased. The close bottom of said cokingchamber prevents air from passing up through the coking coals and essentially aids in securing good results. The pipe B is located about six inches above the bottom of the coking-chamber A, forming connecting-space N between coking-chamber A and fire box or chamber D. Saidopening N is'providcd for the purpose of removing coke from the coking-chamber A to'fire-box D for consumptionthereof after the"gases arising from the coking process have been separated from the coke. A sufficient quantity of air is admitted to flue F and passes from said fiue F through flues G into coking-chamber A over the bituminous coal in coking-chamber A. The air so admitted through flues F and Gunites with the gas and smoke formed in coking-chamber A and ignites the same. The product of said combustion and said gases and smoke not consumed passes from coking-chamber A through flues or openings H into flue K, formed in the end of coking-chamber A and communicating with flue L under the bottom of coking-chamber A. Connection is made from flue L to fire-box D by fiues M, through which the said smoke and gas pass and come in contact with the coals burning in the fire-box D, passing through said fire of coal, thereby completely consuming the smoke and gas passing. The products of combustion are carried through the furnace to chimney provided for same.

The operation of this device is as follows: Charge coke through fire-box door to a height above the fines opening into fire-box from the flue under the coking-ovens and ignite same. The heat arising from said fire will heat. the arches of the coking-oven to the requisite heat to cause the light hydrocarbon to arise from the coal that is in the coking-chamberL Said coal is supplied to said cokingchamber through doors in iron front and located on each side of central fire-box. When the main fire-box needs replenishing, introducea poker or rake through central or firebox door to and through space N into cokingchamber and rake the coke that is made in said coking-chamber through space N upon the grate-bars of central fire-box. After the coke, is removed through space N into firebox, then charge the coking-chamber with,

fresh coal, and so continue the operation as long as desirable.

Having fully described my invention, what I desire to claim and secure by Letters Patent is- 1. A coking-oven within a furnace formed byan arch resting on a circulating Water-pipe bination withi'lues or openings entering the fire-chamber aboie the grate-bars, for the purpose substantially as herein described.

3. The combination, with a furnace, of a boiler, (J, connecting with circulating waterpipe B, supporting fire-brick arch E of coking-chamber A, forming communicating space N between .the fire-box D and coking-chainher A, and lines M, L, K, and H, connecting coking-chamber A and fire-box D, substantially as set forth.

4. The combination, with a furnace, of a boiler, 0, connecting with circulating waterpipe B, supporting the fire-brick arch E of coking-chamber A, forming communicating space Nbetween fire-box D and coking-chamher A, with flues M, L, K, and H, connecting coking chamber A and fire-box D, and flues F and G, substantially as set forth.

5. In furnace, as described, having a coking-chamber and fire-chamberwith communieating space N between them, the combination of the coking-chamber A, flues H and K, and

the connecting-opening M, entering the firechamber above the grate and below the opening N, substantially as described.

' 6. A coking-oven within af'furnace having a close bottom to prevent air from passing up through the coal coking therein, in combination with a water-pipe connected to the boilerfor the circulation of water therein and an arch supported thereon and constituting the side and top of the coking-chamber and forming a communicating space, N, be- H tween the furnace and the cokingchamber,

substantially as specified.

. In testimony whereof I affix my signature in presence of two witnesses.

' JOHN BURNS.

Witnesses:

J NO. F. LAEDLEIN,

N. HAWLEY. 

